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| Subject: | Re: LF: 29.499 QRSS 180 for remainer of night... |
| From: | Paul Nicholson <[email protected]> |
| Date: | Wed, 05 Mar 2014 11:48:11 +0000 |
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Johan wrote: > by "rectangular", do you mean no windowing function at all; > just raw FFT? Yes I mean no window at all. When I tried some other windows the S/N went down a little. Some windows compared: http://abelian.org/vlf/tmp/29499_140303_180_90_windows.png and I've ranked them in descending order of S/N. Some of the other windows would be best if you had a strong signal that was scalloping over onto a weaker signal. -- Paul Nicholson -- |
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